fix: better debug messages + debug refuel

miner.lua

@@ -22,7 +22,7 @@ local HIGHER_LIMIT = 128;
 local robot = robotApi.create()
 
 local MAX_INVENTORY_BLOCKS = 16 * 64
-local ADDITIONAL_FUEL_NEEDED = 512
+local ADDITIONAL_FUEL_NEEDED = 128
 local MIN_FUEL_NEEDED = (config.size * 2) + TARGET_Y + MAX_INVENTORY_BLOCKS + ADDITIONAL_FUEL_NEEDED
 
 local miner = {
@@ -79,11 +79,10 @@ local function unloadProcedure()
 
   for i=1, 16, 1 do
     turtle.select(i)
+    turtle.refuel()
     turtleUtils.tryDrop()
   end
 
-  turtle.select(1)
-
   miner.mission = 'refuel'
 end
 
@@ -131,14 +130,15 @@ local function returnMineProcedure()
       end
 
       miner.mission = 'mine'
+      print('> Starting mining procedure...')
     end
   else
     miner.mission = 'mine'
+    print('> Starting mining procedure...')
   end
 end
 
 local function mineProcedure()
-  print('> Starting mine procedure...')
   local robotState = miner.robot.getState()
   local targetY = TARGET_Y
   local targetZ = TARGET_Z
@@ -170,6 +170,7 @@ local function mineProcedure()
     miner.finished = true
     miner.mission = 'return-home'
     miner.lastPositionState = miner.robot.getState()
+    print('> Starting return home procedure because mining session is finished...')
   elseif robotState.x == MAX_X and robotState.z == MAX_Z then
     -- this part assume that the size of the mine is even
     miner.robot.turnRight()
@@ -183,13 +184,13 @@ local function mineProcedure()
   end
 
   if turtleUtils.countFreeSlots() < 1 then
+    print('> Starting return home procedure because inventory is empty...')
     miner.mission = 'return-home'
     miner.lastPositionState = miner.robot.getState()
   end
 end
 
 local function returnHomeProcedure()
-  print('> Starting return home procedure...')
   local robotState = miner.robot.getState()
 
   if robotState.x == 0 and robotState.y == 0 and robotState.z == 0 then